Perform the indicated operations.(6x2y - 4xy + 4xy2) - (2xy + 6xy2 + 3x2y)
A. 3x2y - 2xy2 - 6xy
B. 3x2y + 2xy2 - 6xy
C. 3x2y + 2xy2 - 2xy
D. -3x2y + 4xy2 - 6xy
Answer: A
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Solve the problem.Find the point on the paraboloid 
that is closest to the point 
A. 
B. 
C. 
D. 
Find the Social Security tax (6.2%), Medicare tax (1.45%), and state disability insurance deduction (1%) for the employee. Assume the employee is under the FICA and SDI maximums at the end of the current pay period and assume that 
is paid for any overtime in a 
week. Round to the nearest cent if needed. Hours Reg FICA Medicare SDIEmployee Worked Rate Tax Tax TaxBush, H. 45 $7.90
A. $33.06, $7.73, $5.33 B. $19.59, $4.58, $3.16 C. $23.27, $5.44, $3.75 D. $22.04, $5.15, $3.56
Solve the equation by making an appropriate substitution.(x2 - 2x)2 - 11(x2 - 2x) + 24 = 0
A. {- 1, - 2, 3, 8, 3, 4} B. {- 1, - 2, 3, 4} C. {3, 8} D. {3, 4}
Find the least common denominator (LCD).
, 
A. r(r + 4)2 B. r(r + 1)(r + 4) C. r(r + 4) D. (r + 4)2